33results about How to "Effective adsorption and degradation" patented technology

The invention discloses a decoration board containing diatomite and a production method of the decoration board. The decoration board containing the diatomite comprises, by weight, 100-150 parts of diatomite, 50-70 parts of kaolin, 30-50 parts of titanium dioxide, 50-90 parts of shell powder, 80-120 parts of corn straw powder, 40-80 parts of polyvinyl chloride, 15-30 parts of glass fibers, 5-20 parts of foaming regulator, 5-15 parts of stearic acid and 50-80 parts of water. The produced decoration board can effectively purify indoor air, remove harmful substances such as formaldehyde, benzene and xylene, and effectively degrade the formaldehyde.

The invention discloses a glass fiber reinforced bamboo-plastic expanded material capable of removing formaldehyde and a preparation method thereof. The glass fiber reinforced bamboo-plastic expanded material is characterized by being prepared from the following raw materials in parts by weight: 1-3 parts of glass fiber, 60-70 parts of isotactic polypropylene, 1-2 parts of sericite, 10-15 parts of high-melt-strength polypropylene, 30-40 parts of bamboo powder, 10-15 parts of active carbon, 1-2 parts of emery powder, 20-25 parts of Cu(NO3)2, 1-3 parts of stearic acid, 1-3 parts of calcium stearate, 1-3 parts of a foaming agent AC1601, 10-15 parts of zinc stearate, 50-60 parts of a NaOH solution and 1-3 parts of polyacrylate emulsion. According to the glass fiber reinforced bamboo-plastic expanded material, polyacrylate and Cu(NO3)2 are used for modifying active carbon and diamond, thereby promoting the load of Cu(NO3)2 in the surfaces and ducts of active carbon and diamond; and by adding the glass fiber and the like, the stretching resistance and shock strength of the material are increased.

The invention relates to an oil-contaminated soil remediation agent and a preparation method thereof. The oil-contaminated remediation agent is grey black in appearance, has a pore size of 2-30 nm, apore volume of 1.118 * 10 <-3> to 1.391 * 10 <-3> cm<3>/g, and a specific surface area of 1.021 to 1.811 m<2>/g; according to the analysis results of an X-ray diffraction spectrometer, the oil-contaminated remediation agent has diffraction peaks at angles of 29.40 degrees, 35.96 degrees, 39.40 degrees, 43.16 degrees, 47.51 degrees and 48.50 degrees; and the results of infrared spectroscopy show that the oil-contaminated remediation agent has absorption peaks at 2680 cm<-1>, 2516 cm<-1>, 2335 cm<-1>, 1800 cm<-1>, 1445 cm<-1>, 876 cm<-1> and 708 cm<-1>. According to the method, shells are made into the oil-contaminated soil remediation agent through freezing permeation of a surfactant and high-temperature calcination, the oil-contaminated soil remediation agent can effectively adsorb and degrade oil contamination in soil, a removal rate reaches 49.38%, and a seed germination rate and total biomass after remediation reach 100% and 71.08 g/m <2>, respectively.

The invention provides a mesoporous composite material for degrading formaldehyde and a preparation method thereof; with a mesoporous Al-MCM-41 as a matrix material, the matrix mesoporous material has relatively high activity and relatively large specific surface area through Al doping, and the specific surface area of the Pt-TiO2/Al-MCM-41 composite material is high, so the relatively high adsorption ability of the composite material is ensured. In addition, the size increase of nanoparticles is effectively prevented by using a pore passage confinement effect of the mesoporous material, and high reaction activity is ensured; and at the same time, nano TiO2 is subjected to surface modification by using a noble metal Pt, and the photocatalyst reaction activity is further improved. Therefore, the prepared mesoporous composite material has high-efficiency adsorption and degradation abilities to high-concentration formaldehyde.

The invention discloses a mixed oxygenate-microorganism immobilization biological enhanced artificial floating island which comprises a photovoltaic water pump system, a water flow raising system, a Venturi gas inlet system, an upper floating body and a lower floating body, wherein the upper floating body floats on water; the Venturi gas inlet system comprises a longitudinally arranged Venturi pipe with openings formed in the two ends and a plurality of gas inlet pipes which is communicated with the throat of the Venturi pipe; an gas inlet hole of each gas inlet pipe is above the water level;the water flow raising system longitudinally penetrates through a floating body; the bottom of the water flow raising system is connected with an upper part straight cylinder of the Venturi pipe; thebottom of a lower part straight cylinder of the Venturi pipe is communicated with a water inlet hole of the photovoltaic water pump system; plants in the upper floating body and the lower floating body have the purification effect on the water quality; pollutants such as nitrogen, phosphorus and organic matters in water can be effectively degraded through biological membranes; and spherical fillers in the floating body greatly strengthen the adsorption and degradation effect on the pollutants. The mixed oxygenate-microorganism immobilization biological enhanced artificial floating island provided by the invention can greenly run with low carbon, can economically and efficiently improve the water quality of water bodies in shallow river lake and reservoirs in situ without power consumptionand controls eutrophication of the water body.

The invention discloses a method for degrading pig dung odor. The method is characterized by comprising the step of periodically spraying a deodorizing degradation agent containing microbial bacteriaand an adsorbent according to requirements. The agent comprises the following components: 0.1-6 parts of rhodopseudomonas palustris, 0.1-5 parts of thiobacillus denitrificans, 0.1-3 parts of Lactobacillus acidophilus, 0.1-10 parts of lactic acid bacteria, 0.1-2 parts of bacillus pasteurii, 0.1-3 parts of streptomyces microflavus, 1-40 parts of glucose, 1-10 parts of agar powder, 0.1-5 parts of ferric sulfate, 0.1-3 parts of potassium nitrate, 10-60 parts of water, 0.01 to 1 part of bergamot oil, 1-20 parts of activated carbon powder, and 0.1 to 10 parts of powdered steatile. The microbial deodorizing degradation agent can effectively adsorb and decompose odorous gases such as sulfides and nitrides produced by fermentation of pig dung, purify the air quality of pig farms, and improve the economic value of pig farms.

The invention discloses a lake and reservoir water body cyclic purification and utilization system and a cyclic purification method thereof. The system comprises a lake and reservoir water body, a lake and reservoir water outlet pump station, a bypass channel, a rubber dam, a water diversion channel, an immobilized filler caisson pretreatment unit, an underground channel, a water lifting pump station, an ecological gravel bed purification unit, an artificial wetland purification unit, a water collecting tank, a lake and reservoir water inlet pump station and a solar/wind energy water quality monitoring system. The water quality purification capacity is high, the problem that eutrophication is prone to occurring in the lake and reservoir area is solved, the water quality purification capacity is good, the ecological environment of the lake and reservoir area is remarkably improved, cyclic utilization of water can be promoted, and good ecological landscape performance is achieved.

The invention discloses a bamboo-plastic foamed composite door/window material making full use of resources and a preparation method thereof. The material is characterized by being made from the following raw materials according to parts by weight: 1-2 parts of rice straw powder, 60-70 parts of isotactic polypropylene, 1-3 parts of straw powder, 10-15 parts of high-melt-strength polypropylene, 30-40 parts of bamboo powder, 10-15 parts of activated carbon, 1-2 parts of diatomite, 1-2 parts of corundum powder, 20-25 parts of Cu(NO3)2, 1-3 parts of stearic acid, 1-3 parts of calcium stearate, 1-3 parts of foaming agent AC1601, 10-15 parts of zinc stearate, 50-60 parts of NaOH solution, and 1-3 parts of polyacrylate emulsion; the activated carbon and diamond are modified with polyacrylate and Cu(NO3)2, promoting loading of Cu(NO3)2 on the surface of and in ducts of the activated carbon and diamond, and increasing its adhesion; the addition of rice straw powder and straw powder and the like promotes full use of resources and reduces cost.

The invention discloses a high-hardness formaldehyde-removing bamboo-plastic foamed composite door/window material and a preparation method thereof. The material is characterized by being made from the following raw materials according to parts by weight: 1-2 parts of TiO2, 60-70 parts of isotactic polypropylene, 1-2 parts of Al2O3, 10-15 parts of high-melt-strength polypropylene, 30-40 parts of bamboo powder, 10-15 parts of activated carbon, 1-2 parts of corundum powder, 20-25 parts of Cu(NO3)2, 1-3 parts of stearic acid, 1-3 parts of calcium stearate, 1-3 parts of foaming agent AC1601, 10-15 parts of zinc stearate, 50-60 parts of NaOH solution, and 1-3 parts of polyacrylate emulsion; the activated carbon and diamond are modified with polyacrylate and Cu(NO3)2, promoting the loading of Cu(NO3)2 on the surface of, and in ducts of, the activated carbon and diamond; the addition of the TiO2 and Al2O3 improves the hardness and impact strength of the composite material.

The invention discloses an anti-static bamboo-plastic foaming composite door and window material capable of removing formaldehyde and a preparation method thereof. The bamboo-plastic foaming composite door and window material is characterized by being prepared from, by weight parts, 1-2 parts of carbon black, 60-70 parts of isotactic polypropylene, 1-2 parts of carbon nanotubes, 10-15 parts of high melt strength polypropylene, 30-40 parts of bamboo powder, 10-15 parts of activated carbon, 1-2 parts of sorbitol, 1-2 parts of alundum powder, 20-25 parts of Cu(NO3)2, 1-3 parts of stearic acid, 1-3 parts of calcium stearate, 1-3 parts of foaming agent AC1601, 10-15 parts of zinc stearate, 50-60 parts of NaOH solution and 1-3 parts of polyacrylate emulsions. Polyacrylate and Cu(NO3)2 are used to modify activated carbon and diamond and promotes loads of Cu(NO3)2 on the surfaces of the activated carbon and diamond and in porous channels; and the anti-static capability of the material is achieved in combination with the added carbon black and the carbon nanotubes.

The invention discloses a bamboo-plastic foaming composite door window material capable of preventing electromagnetic radiation and a preparation method of the bamboo-plastic foaming composite door window material. The bamboo-plastic foaming composite door window material capable of preventing electromagnetic radiation is characterized by being prepared from the following raw materials in parts by weight: 2-4 parts of flaky graphite powder, 60-70 parts of isotatic polypropylene, 0.2-0.4 part of hydroxy iron powder, 10-15 parts of high melt strength polypropylene, 30-40 parts of bamboo powder, 10-15 parts of activated carbon, 1-2 parts of emery powder, 20-25 parts of Cu(NO3)2, 1-3 parts of stearic acid, 1-3 parts of calcium stearate, 1-3 parts of a foaming agent AC1,601, 10-15 parts of zinc stearate, 50-60 parts of a NaOH solution, and 1-3 parts of polyacrylate emulsion. The polyacrylate and Cu(NO3)2 are used for modifying the activated carbon and diamond, and loading of Cu(NO3)2 on surfaces and ducts of the activated carbon and the diamond is promoted; and owing to the flaky graphite powder and the hydroxy iron powder, electromagnetic radiation can be prevented effectively.

The invention discloses a reciprocating subsurface flow constructed wetland filled by longitudinal substrates. The constructed wetland comprises a pool body, the pool body has a tank-shaped structurewith an open top, and the interior of the pool body is filled with the substrates; the substrates comprise a base layer, a generation layer, a barrier layer and a planting layer from the bottom to thetop; the generation layer comprises at least two substrates which longitudinally fill the generation layer from the left to the right; a water inlet pipe extending in a horizontal direction is arranged at the upper portion of the pool body, and a water outlet pipe is connected to the bottom of the pool body; and at least one layering partition plate of which one side is inclined downwards is arranged in the generation layer, one higher side of the layering partition plate is in tightly attached to the pool body, and one lower side is spaced from the pool body. The constructed wetland providedby the invention enables sewage to pass through the different substrates in different orders to form a reciprocating water flow, so that the sewage can be uniformly mixed during hydraulic retention,a hydraulic retention layering phenomenon is avoided, and the microbial nitrogen removal performance is enhanced.

The invention discloses an anti-corrosion bamboo-plastic foaming composite door window material capable of removing formaldehyde and a preparation method of the anti-corrosion bamboo-plastic foaming composite door window material. The anti-corrosion bamboo-plastic foaming composite door window material capable of removing formaldehyde is characterized by being prepared from the following raw materials in parts by weight: 1-3 parts of gypsum powder, 60-70 parts of isotatic polypropylene, 1-2 parts of baryta powder, 10-15 parts of high melt strength polypropylene, 30-40 parts of bamboo powder, 10-15 parts of activated carbon, 1-2 parts of polyethylene wax, 1-2 parts of emery powder, 20-25 parts of Cu (NO3)2, 1-3 parts of stearic acid, 1-3 parts of calcium stearate, 1-3 parts of a foaming agent AC1601, 10-15 parts of zinc stearate, 50-60 parts of a NaOH solution, and 1-3 parts of polyacrylate emulsion. The polyacrylate and Cu(NO3)2 are used for modifying the activated carbon and diamond, and loading of Cu(NO3)2 on surfaces and ducts of the activated carbon and the diamond is promoted; and owing to the gypsum powder, bamboo fibers have anti-corrosion property, and therefore, the prepared composite material has the anti-corrosion property.

The invention belongs to the technical field of photocatalysts, and relates to a coralline TiOF2 photocatalyst and a preparation method and application thereof. The method comprises the following steps of 1) preparing a cubic TiOF2 precursor, (2) dispersing the prepared cubic TiOF2 precursor in NaOH in a polytetrafluoroethylene container, and stirring, placing the container in a high-pressure reaction kettle for reaction, cooling to room temperature, and washing with HCl until the pH value of the washing filtrate is less than 7, and 3) continuously washing with absolute ethyl alcohol and water until the pH value of the washing filtrate is 7 (6.8-7.2), and drying to obtain the coralline flower-shaped H2Ti3O7. Cubic TiOF2 is used as a precursor, sodium hydroxide is used as a stripping agent, and the coralline TiOF2 photocatalyst is prepared through an alkaline hydrothermal method; the catalyst is coralline-shaped in morphology, excellent in photocatalytic performance and good in catalytic degradation performance on tetracycline hydrochloride and rhodamine B.

The invention discloses a bamboo-plastic foaming composite door-window material containing magnesium hydroxide and a preparation method of the bamboo-plastic foaming composite door-window material. The bamboo-plastic foaming composite door-window material is characterized by being prepared by, by weight, 1-2 parts of magnesium hydroxide, 60-70 parts of isotactic polypropylene, 1-2 parts of magnesium oxide, 10-15 parts of high-melt-strength polypropylene, 30-40 parts of bamboo powder, 10-15 parts of activated carbon, 1-2 parts of corundum powder, 0.5-1 part of calcium sulfate, 20-25 parts of Cu(NO3)2, 1-3 parts of stearic acid, 1-3 parts of calcium stearate, 1-3 parts of foaming agent AC1601, 10-15 parts of zinc stearate, 50-60 parts of NaOH solution and 1-3 parts of polyacrylate emulsion. The bamboo-plastic foaming composite door-window material has the advantages that polyacrylate and the Cu(NO3)2 are used to modify the activated carbon and diamond, and loading of the Cu(NO3)2 on the surface of and in the ducts of the activated carbon and the diamond, is promoted; the magnesium hydroxide and the magnesium oxide are added to allow the material to have a flame retarding function.

The invention belongs to the field of environment-friendly material chemical engineering, and particularly relates to a novel interior wall environment-friendly additive and a preparation method thereof. The additive comprises the following main components in parts by mass: 30-40 parts of diatomite powder, 20-25 parts of medical stone powder, 30-40 parts of tourmaline powder and 2-5 parts of titanium dioxide powder. The additive disclosed by the invention can effectively adsorb and degrade toxic and harmful substances such as benzene, methylbenzene, dimethylbenzene and formaldehyde in indoor air, has super-strong adsorption and degradation properties, and can provide negative ions, far infrared rays and the like for a long time.